A woman and her granddaughter were killed early Friday when the St. Charles Parish home they were sleeping in caught fire. There were no working smoke detectors in the residence, according to a state fire marshal news release.

The bodies of Catherine Isaac, 54, and Kamri Ferria, 3, were recovered from the master bedroom of the home at 156 Kilona Drive in the small town of Killona in St. Charles Parish. Firefighters were dispatched to the scene just before 7:30 a.m.

Fire investigators say the fire originated in a corner of the master bedroom where there were a number of "electrical components," according to the release. The specific ignition source was still under investigation Friday. Autopsies will be performed.

Louisiana Fire Marshal's Office

"We are once again investigating a tragic fire, with multiple fatalities, occurring in a residence without smoke detection," State Fire Marshal Butch Browning said in the news release. "Let this be a wake-up call as to the importance of these life-saving devices."